update prompt tools

app.py

@@ -1000,7 +1000,7 @@ Thought: you should always think about what to do and consider previous and subs
 Action:
 ```
 {
-  "action": the action to take, should be one of [{tool_names}].
+  "action": the action to take, should be one of [Vector Database Search, Duckduckgo Internet Search, Wikipedia Search, Code Runner, Calculator, Text To Sound API 2].
   "action_input": the input to the action.
 }
 ```